Make $2$ Graphs $($but combine them into one graph and use the legend option to identify which graph is for the Sales or Moving Average$)$: a$)$

Sales b$)$ Moving Average Year year $1$ Year $2$ Year $3$ Year $4$ Quarter Data for Car Sales Quarter $1234123412341234$ Sales $(1000\text{'}$s$)4\mathrm{.}84\mathrm{.}1$

$66\mathrm{.}55\mathrm{.}85\mathrm{.}26\mathrm{.}87\mathrm{.}465\mathrm{.}67\mathrm{.}57\mathrm{.}86\mathrm{.}35\mathrm{.}988\mathrm{.}4$ Moving average $(4-$quarter$)$